Home › California

Water Softener Installation in California

Of the 95 California towns we route calls in, 23 are supplied by ground water and 72 by surface water. That split is the first thing to establish about any address here, because it is the best single predictor of how hard the water will be.

The short version

Across 95 covered towns in California, ground water supplies 23 and surface water 72. That split predicts hardness better than anything else available without a test, and the published hardness figure settles it outright.

Source: US EPA, Safe Drinking Water Act data download, 2026 Q2.

SoftenWell is a referral service, not an installer. We connect homeowners with independent contractors. Contractors are required to hold whatever credential their state or municipality demands. Every state page sets out who licenses plumbers there and where to check, so you can confirm before work begins. We install nothing, we sell no equipment, we do not set prices, and we never charge homeowners anything — the contractors in our network pay us when we route them a call.

The pattern hereWhere California gets its water

Neither figure tells you about your own address. Source type follows geology and infrastructure, not county lines, and two towns twenty miles apart routinely draw from different places. The town pages below name the system for each one.

Largest systemsThe biggest suppliers we route to

Town	System	Source	Connections
Los Angeles	Los Angeles-City, Dept. of Water & Power	Surface	709,623
Long Beach	Long Beach Utilities Department	Surface	89,368
Riverside	Riverside, City of	Surface	66,567
Anaheim	City of Anaheim	Surface	62,288
Huntington Beach	City of Huntington Beach	Surface	53,348
Bakersfield	Bakersfield, City of	Surface	51,259
San Bernardino	San Bernardino City	Ground	46,135
Santa Ana	City of Santa Ana	Surface	45,743

Source: US EPA, Safe Drinking Water Act data download, 2026 Q2. Community water systems only.

CredentialsChecking a plumber in California

California licenses are issued by the Contractors State License Board, which publishes a public search you can use before work begins. California licenses the C-36 plumbing contractor; there is no state journeyman license.

CoverageTowns we route in California

If the water is leaving marks, the question is how hard it actually is.That is a measurement, not a guess, and it decides whether equipment is worth buying at all. We connect you with somebody who can test it. You are never charged and we sell nothing. We are a softener site by name; the line is broader.

Call (866) 862-2620